The ci140 is complemented by the dedicated and identically sized ci140sub, for the apex in on-wall home theatre performance. Employing the same four bass drive units used in the ci140 and operating with the ATL, the sub reproduces additional low-frequency energy, perfect for home theatre installations and full-frequency music reproduction in high-end home audio and professional studio situations.
ATL – Advanced Transmission Line
The Unique Benefits:
- More detailed, more natural
- Full, rich sound at any volume level
- Deeper bass from a smaller cabinet
The source of PMC’s legendary natural, realistic sound is the Advanced Transmission Line (ATL) bass-loading technology, professionally proven all around the world.
ATL uses energy generated by the bass unit in a much more intelligent, efficient way than speaker designs based on ported or sealed boxes. In ATL loudspeakers, the highly braced cabinet is lined with a multitude of custom-designed acoustic materials that absorb all but the very lowest frequencies. These exit from a front-panel vent, extending the low-frequency response, and creating the impression of a far larger speaker with an extra, ultra-high-quality bass unit.
ATL improves more than just the bass response: because the low end is clean and clear, it doesn’t mask the rest of the music. Vocals, in particular, are beautifully projected and ultra-vivid.
ATL loudspeakers offer another benefit. The ATL bass extension does not change with volume level — so even when listening quietly, the bass sounds balanced and well defined.